US3348232A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Asynchronous page-at-a-time printer
Assignee: Xerox Corp
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Filing: 1962-09-05
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Granted: 1967-10-17
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Expires: 1982-09-05
Abstract
No abstract record available.
Inventors
- 👤 Paul F King
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 12:22
CPC Classifications
B; B41; B41J; B41J2/00; B41J2/385; B41J2/41; G; G03; G03G; G03G15/00; G03G15/22; G03G15/32; G03G15/321
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
176 words
A HIGH-SPEED, ELECTROSTATIC PRINTING APPARATUS COMPRISING, A CYLINDRICAL ALPHANUMERIC WHEEL HAVING A BANK OR LIKE CHARACTER RINGS ON ITS SURFACE, EACH RING CONTAINING A SERIES OF CONDUCTIVE ELECTRODES WITH CHARACTER SHAPED END FACES IN A CIRCUMFERENTIAL ARRANGEMENT AROUND SAID WHEEL, MEANS TO ROTATE SAID WHEEL AT A HIGH UNIFORM VELOCITY, A BACKING ELECTRODE SHROUD CONCENTRIC WITH AND SPACED SLIGHTLY FROM SAID WHEEL, SAID ELECTROODE SHROUD CONTAINING A PLURALITY OF ROWS AND COLUMNS OF RELATIVELY FLAT SURFACED BACKING ELECTROODES, EACH ELECTRODE BEING ELECTRICALLY SEPARATED FROM EVERY OTHER ELECTRODE, SAID COLUMNS OF ELECTRODES BEING SPACED OPPOSITE AND CORRESPONDING TO THE RINGS OF SAID ALPHANUMERIC WHEEL, MEANS TO INTERMITTENTLY FEED AN INSULATING PRINTING WEB THROUGH THE CURVED GAP FORMED BY SAID ALPHANUMERIC WHEEL AND SAID ELECTRODE SHROUD A DISTANCE EQUAL TO THE LENGTH OF SAID SHROUD AND THEN HOLD SAID WEB IN STATIONARY CONTACT WITH THE ENTIRE PORTION OF SAID ROTATING WHEEL WHICH DEFINES SAID GAP, SIGNAL GENERATING MEANS FOR GENERATING A SIGNAL ANALOG OF THE ANGULAR POSITION OF SAID WHEEL, COMPARATOR MEANS CONNECTED TO SAID SIGNAL GENERATOR AND
Claim 2
Dependent Claim
176 words
A HIGH-SPEED, ELECTROSTATIC PRINTING APPARATUS COMPRISING, A CYLINDRICAL ALPHANUMERIC WHEEL HAVING A BANK OR LIKE CHARACTER RINGS ON ITS SURFACE, EACH RING CONTAINING A SERIES OF CONDUCTIVE ELECTRODES WITH CHARACTER SHAPED END FACES IN A CIRCUMFERENTIAL ARRANGEMENT AROUND SAID WHEEL, MEANS TO ROTATE SAID WHEEL AT A HIGH UNIFORM VELOCITY, A BACKING ELECTRODE SHROUD CONCENTRIC WITH AND SPACED SLIGHTLY FROM SAID WHEEL, SAID ELECTROODE SHROUD CONTAINING A PLURALITY OF ROWS AND COLUMNS OF RELATIVELY FLAT SURFACED BACKING ELECTROODES, EACH ELECTRODE BEING ELECTRICALLY SEPARATED FROM EVERY OTHER ELECTRODE, SAID COLUMNS OF ELECTRODES BEING SPACED OPPOSITE AND CORRESPONDING TO THE RINGS OF SAID ALPHANUMERIC WHEEL, MEANS TO INTERMITTENTLY FEED AN INSULATING PRINTING WEB THROUGH THE CURVED GAP FORMED BY SAID ALPHANUMERIC WHEEL AND SAID ELECTRODE SHROUD A DISTANCE EQUAL TO THE LENGTH OF SAID SHROUD AND THEN HOLD SAID WEB IN STATIONARY CONTACT WITH THE ENTIRE PORTION OF SAID ROTATING WHEEL WHICH DEFINES SAID GAP, SIGNAL GENERATING MEANS FOR GENERATING A SIGNAL ANALOG OF THE ANGULAR POSITION OF SAID WHEEL, COMPARATOR MEANS CONNECTED TO SAID SIGNAL GENERATOR AND
References Cited (Backward Citations)
US2692551A
Cited
US3060432A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1970-10-16 | 1971-04-17 | 1971-10-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-10-16 | 1975-04-17 | 1975-10-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-10-16 | 1979-04-17 | 1979-10-17 | $7700.00 | Window Closed / Lapsed |